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89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/*
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* Copyright (c) 2005, Eric Crahen
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __ZTPRIORITYCONDITION_H__
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#define __ZTPRIORITYCONDITION_H__
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#include "zthread/Lockable.h"
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#include "zthread/NonCopyable.h"
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#include "zthread/Waitable.h"
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namespace ZThread {
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class PriorityConditionImpl;
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/**
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* @class PriorityCondition
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* @author Eric Crahen <http://www.code-foo.com>
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* @date <2003-07-16T17:35:28-0400>
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* @version 2.2.1
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*
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* A PriorityCondition is a Condition that is sensitive to thread priority.
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*
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* @see Condition
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*
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* <b>Scheduling</b>
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*
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* Threads blocked on a PriorityCondition are resumed in priority order, highest priority
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* first
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*/
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class ZTHREAD_API PriorityCondition : public Waitable, private NonCopyable {
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PriorityConditionImpl* _impl;
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public:
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/**
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* @see Condition::Condition(Lockable& l)
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*/
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PriorityCondition(Lockable& l);
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/**
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* @see Condition::~Condition()
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*/
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~PriorityCondition();
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/**
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* @see Condition::signal()
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*/
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void signal();
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/**
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* @see Condition::broadcast()
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*/
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void broadcast();
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/**
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* @see Condition::wait()
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*/
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virtual void wait();
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/**
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* @see Condition::wait(unsigned long timeout)
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*/
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virtual bool wait(unsigned long timeout);
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};
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} // namespace ZThread
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#endif // __ZTPRIORITYCONDITION_H__
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